http://www.hardydetectiveagency.com/ocean/hollow/hollow2.htm

“Right! In your dreams! I’m not a nerd!” Joe jibed his brother good-naturedly.

Had Joe said “I´m a Nan”, he wouldn´t have received the answer he received. What was that answer? Ah, I´ll guess you´ll have to read the story, just as much as Joe should have read NAN!

ps. in the same story…

“Bye, Nan!” Callie chimed and her slightly high-pitched voice was sounding a little shrill to Nancy’s ears.

“You know something, Drew? You’re like an open book right now.”

heh, it seems that actually Joe was reading NAN XD